The need to make holes in ceramic pieces for sockets or water drainage, as well as electrical connections, requires the use of core drill bits. With a diameter of 33 mm and a length of 65 mm.
This hole saw bit is used for drilling 33mm diameter holes in stone.
It is teethed, which adapts to the combi drill.
The centre of the hole saw has a centring drill that serves as a guide for the hole.